Jonas D.

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As the nation watches Ferguson, Missouri work out its troubled police-community relations, a group of teens from Georgia have created an Android app to help communities rate their police departments on a scale of A to F.<p>The app is called Five-0 (inspired by the TV show) and it’s the brain child of …

<i>This article was originally published in Make: Volume 22.</i><p>This slideshow requires JavaScript.<p>There’s a lot of beauty in a well-designed object and the parts that make it up. And the most solid designs are often found in items that you don’t spend time thinking about, because you don’t have to. They …

If you love discovering extraordinary travel destinations off the beaten path, do we have a place for you. Though this may look like a scene straight out of a fairy-tale, this blue forest is, in fact, real. Just 30 minutes south of Brussels, in Belgium, is a forest called Hallerbos. During the …

From guzzling bacteria to dueling for mathematics, these scientists pulled some of the craziest stunts in the history of the profession.<p>What would you do for science? These scientists gave everything you had to achieve some of the most important advances we know today. From guzzling bacteria to …

This year's search to find the world’s best city photographs is underway. The 2014 edition has the theme “cities at work”, and is open to both professional and amateur photographers. So get shooting – first prize is a luxury photographic safari courtesy of competition organisers CBRE. As a taster, …

From shooting with a camera to firing a cannon: your best pictures on this week's theme, shoots. The next topic is vibrant (to appear 21 June). Email a hi-res image (one per entry), plus a sentence or two about what inspired you to take your photo, to in.pictures@theguardian.com by noon on …

Welcome MagnetoSperm, microscopic robots controlled by magnetic fields and inspired by the workaday sperm cell.<p>As for android babies, well, this new class of microrobots called MagnetoSperm <i>probably</i> won’t be used to impregnate you. (You never know what the future holds.) But these tiny sperm-shaped …

If you find yourself in a dangerous situation, your first instinct may not be to reach for your smartphone for help. But a Brooklyn developer has built a new emergency app, ‘I’m Getting Kidnapped,’ that could help make you feel a bit safer, just in time for the World Cup.<p>The title’s a bit blunt–if …

How can we deal with the growing problem of waste and pollution? That’s the question that research firm Latitude asked 270 children aged 8 to 13. The results may not give environmentalists much to work on but they certainly tell us a lot about how kids think about technology and the world around …

Fire hydrants aren’t something we usually think of until we get a ticket for parking next to one. But retired NYC firefighter George Sigelakis has spent a lot of time thinking about them. He’s been working on revolutionizing the century-old design for about 20 years at his company Sigelock Systems. …